clc
clear

Ga = 10^(17/10)
Fa = 10^(3/10)
Ted = 1000;
T0 = 290;

% Fd = 1+Ted/T0
% F = Fa+(Fd-1)/Ga
% NF = 10*log10(F)

Tea = (Fa-1)*T0
Te = Tea + Ted/Ga
F = 1 + Te/T0